Home / 1,357,857.63-2,033,870.72-1,278,362.88

Finding the Fourth Proportional to 1,357,857.63, 2,033,870.72 and 1,278,362.88

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Solution

The fourth proportional to 1,357,857.63, 2,033,870.72 and 1,278,362.88 is: 1,914,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,857.63 : 2,033,870.72 = 1,278,362.88 : x
  2. Step 2: Convert to fraction form
    1,357,857.63/2,033,870.72 = 1,278,362.88/x
  3. Step 3: Cross multiply
    1,357,857.63x = 2,033,870.72 × 1,278,362.88
  4. Step 4: Simplify right side
    1,357,857.63x = 2,600,024,824,775.06
  5. Step 5: Solve for x
    x = 2,600,024,824,775.06/1,357,857.63
  6. Step 6: Final answer
    x = 1,914,799.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.